import { useState } from 'react';
import {
  Avatar,
  Button,
  ButtonVariant,
  Divider,
  Dropdown,
  DropdownGroup,
  DropdownItem,
  DropdownList,
  Masthead,
  MastheadMain,
  MastheadToggle,
  MastheadBrand,
  MastheadLogo,
  MastheadContent,
  MenuToggle,
  NotificationBadge,
  NotificationBadgeVariant,
  Toolbar,
  ToolbarContent,
  ToolbarGroup,
  ToolbarItem,
  PageToggleButton
} from '../components';
import CogIcon from '@patternfly/react-icons/dist/esm/icons/cog-icon';
import HelpIcon from '@patternfly/react-icons/dist/esm/icons/help-icon';
import QuestionCircleIcon from '@patternfly/react-icons/dist/esm/icons/question-circle-icon';
import EllipsisVIcon from '@patternfly/react-icons/dist/esm/icons/ellipsis-v-icon';
import imgAvatar from '@patternfly/react-core/src/components/assets/avatarImg.svg';

interface DashboardHeaderProps {
  /** Render custom notification badge */
  notificationBadge?: React.ReactNode;
}

export const DashboardHeader: React.FC<DashboardHeaderProps> = ({ notificationBadge }) => {
  const [isDropdownOpen, setIsDropdownOpen] = useState(false);
  const [isKebabDropdownOpen, setIsKebabDropdownOpen] = useState(false);
  const [isFullKebabDropdownOpen, setIsFullKebabDropdownOpen] = useState(false);

  const patternflyLogo = (
    <svg height="40px" viewBox="0 0 679 158">
      <title>PatternFly</title>
      <defs>
        <linearGradient x1="68%" y1="2.25860997e-13%" x2="32%" y2="100%" id="linearGradient-website-masthead">
          <stop stopColor="#2B9AF3" offset="0%"></stop>
          <stop stopColor="#73BCF7" stopOpacity="0.502212631" offset="100%"></stop>
        </linearGradient>
      </defs>
      <g stroke="none" strokeWidth="1" fill="none" fillRule="evenodd">
        <g
          transform="translate(206.000000, 45.750000)"
          fill="var(--pf-t--global--text--color--regular)"
          fillRule="nonzero"
        >
          <path d="M0,65.25 L0,2.25 L33.21,2.25 C37.35,2.25 41.025,3.135 44.235,4.905 C47.445,6.675 49.98,9.09 51.84,12.15 C53.7,15.21 54.63,18.72 54.63,22.68 C54.63,26.46 53.7,29.865 51.84,32.895 C49.98,35.925 47.43,38.31 44.19,40.05 C40.95,41.79 37.29,42.66 33.21,42.66 L15.48,42.66 L15.48,65.25 L0,65.25 Z M15.48,29.88 L31.41,29.88 C33.69,29.88 35.52,29.22 36.9,27.9 C38.28,26.58 38.97,24.87 38.97,22.77 C38.97,20.61 38.28,18.855 36.9,17.505 C35.52,16.155 33.69,15.48 31.41,15.48 L15.48,15.48 L15.48,29.88 Z"></path>
          <path d="M77.04,66.06 C73.68,66.06 70.695,65.43 68.085,64.17 C65.475,62.91 63.435,61.17 61.965,58.95 C60.495,56.73 59.76,54.18 59.76,51.3 C59.76,46.74 61.485,43.215 64.935,40.725 C68.385,38.235 73.2,36.99 79.38,36.99 C83.1,36.99 86.7,37.44 90.18,38.34 L90.18,36 C90.18,31.26 87.15,28.89 81.09,28.89 C77.49,28.89 72.69,30.15 66.69,32.67 L61.47,21.96 C69.15,18.48 76.56,16.74 83.7,16.74 C90.3,16.74 95.43,18.315 99.09,21.465 C102.75,24.615 104.58,29.04 104.58,34.74 L104.58,65.25 L90.18,65.25 L90.18,62.37 C88.26,63.69 86.235,64.635 84.105,65.205 C81.975,65.775 79.62,66.06 77.04,66.06 Z M73.62,51.03 C73.62,52.53 74.28,53.7 75.6,54.54 C76.92,55.38 78.75,55.8 81.09,55.8 C84.69,55.8 87.72,55.05 90.18,53.55 L90.18,47.43 C87.42,46.71 84.54,46.35 81.54,46.35 C79.02,46.35 77.07,46.755 75.69,47.565 C74.31,48.375 73.62,49.53 73.62,51.03 Z"></path>
          <path d="M137.25,65.88 C125.73,65.88 119.97,60.84 119.97,50.76 L119.97,29.79 L110.34,29.79 L110.34,17.64 L119.97,17.64 L119.97,5.4 L134.55,2.25 L134.55,17.64 L147.87,17.64 L147.87,29.79 L134.55,29.79 L134.55,47.88 C134.55,49.98 135.015,51.465 135.945,52.335 C136.875,53.205 138.51,53.64 140.85,53.64 C143.01,53.64 145.2,53.31 147.42,52.65 L147.42,64.44 C146.1,64.86 144.42,65.205 142.38,65.475 C140.34,65.745 138.63,65.88 137.25,65.88 Z"></path>
          <path d="M177.57,65.88 C166.05,65.88 160.29,60.84 160.29,50.76 L160.29,29.79 L150.66,29.79 L150.66,17.64 L160.29,17.64 L160.29,5.4 L174.87,2.25 L174.87,17.64 L188.19,17.64 L188.19,29.79 L174.87,29.79 L174.87,47.88 C174.87,49.98 175.335,51.465 176.265,52.335 C177.195,53.205 178.83,53.64 181.17,53.64 C183.33,53.64 185.52,53.31 187.74,52.65 L187.74,64.44 C186.42,64.86 184.74,65.205 182.7,65.475 C180.66,65.745 178.95,65.88 177.57,65.88 Z"></path>
          <path d="M217.62,66.15 C212.76,66.15 208.365,65.055 204.435,62.865 C200.505,60.675 197.4,57.72 195.12,54 C192.84,50.28 191.7,46.11 191.7,41.49 C191.7,36.87 192.795,32.7 194.985,28.98 C197.175,25.26 200.16,22.305 203.94,20.115 C207.72,17.925 211.92,16.83 216.54,16.83 C221.22,16.83 225.36,17.955 228.96,20.205 C232.56,22.455 235.395,25.53 237.465,29.43 C239.535,33.33 240.57,37.8 240.57,42.84 L240.57,46.44 L206.64,46.44 C207.6,48.66 209.1,50.475 211.14,51.885 C213.18,53.295 215.58,54 218.34,54 C222.42,54 225.6,52.8 227.88,50.4 L237.51,58.95 C234.51,61.47 231.435,63.3 228.285,64.44 C225.135,65.58 221.58,66.15 217.62,66.15 Z M206.37,36.27 L226.26,36.27 C225.48,33.99 224.205,32.16 222.435,30.78 C220.665,29.4 218.61,28.71 216.27,28.71 C213.87,28.71 211.8,29.37 210.06,30.69 C208.32,32.01 207.09,33.87 206.37,36.27 Z"></path>
          <path d="M247.41,65.25 L247.41,17.64 L261.99,17.64 L261.99,22.41 C265.23,18.51 269.4,16.56 274.5,16.56 C277.08,16.62 278.91,17.01 279.99,17.73 L279.99,30.42 C277.95,29.46 275.64,28.98 273.06,28.98 C270.78,28.98 268.665,29.505 266.715,30.555 C264.765,31.605 263.19,33.09 261.99,35.01 L261.99,65.25 L247.41,65.25 Z"></path>
          <path d="M286.29,65.25 L286.29,17.64 L300.87,17.64 L300.87,20.88 C304.47,18.12 308.73,16.74 313.65,16.74 C317.37,16.74 320.655,17.55 323.505,19.17 C326.355,20.79 328.59,23.04 330.21,25.92 C331.83,28.8 332.64,32.13 332.64,35.91 L332.64,65.25 L318.06,65.25 L318.06,37.89 C318.06,35.25 317.28,33.15 315.72,31.59 C314.16,30.03 312.06,29.25 309.42,29.25 C305.76,29.25 302.91,30.51 300.87,33.03 L300.87,65.25 L286.29,65.25 Z"></path>
          <polygon points="342 65.25 342 2.25 392.04 2.25 392.04 15.66 357.48 15.66 357.48 27.45 380.52 27.45 380.52 40.41 357.48 40.41 357.48 65.25"></polygon>
          <polygon points="399.96 65.25 399.96 2.25 414.54 0 414.54 65.25"></polygon>
          <path d="M429.21,84.69 C428.07,84.69 426.96,84.645 425.88,84.555 C424.8,84.465 423.9,84.33 423.18,84.15 L423.18,71.73 C424.38,71.97 425.88,72.09 427.68,72.09 C432.36,72.09 435.51,70.05 437.13,65.97 L437.13,65.88 L418.86,17.64 L434.97,17.64 L445.5,47.61 L457.74,17.64 L473.49,17.64 L452.16,67.68 C450.42,71.82 448.5,75.135 446.4,77.625 C444.3,80.115 441.87,81.915 439.11,83.025 C436.35,84.135 433.05,84.69 429.21,84.69 Z"></path>
        </g>
        <g transform="translate(0.000000, 0.000000)">
          <path
            d="M61.826087,0 L158,0 L158,96.173913 L147.695652,96.173913 C100.271201,96.173913 61.826087,57.7287992 61.826087,10.3043478 L61.826087,0 L61.826087,0 Z"
            fill="var(--pf-t--color--blue--50)"
          ></path>
          <path
            d="M158,3.43478261 L65.2608696,158 L138,158 C149.045695,158 158,149.045695 158,138 L158,3.43478261 L158,3.43478261 Z"
            fill="url(#linearGradient-website-masthead)"
          ></path>
          <path
            d="M123.652174,-30.9130435 L30.9130435,123.652174 L103.652174,123.652174 C114.697869,123.652174 123.652174,114.697869 123.652174,103.652174 L123.652174,-30.9130435 L123.652174,-30.9130435 Z"
            fill="url(#linearGradient-website-masthead)"
            transform="translate(77.282609, 46.369565) scale(1, -1) rotate(90.000000) translate(-77.282609, -46.369565) "
          ></path>
        </g>
      </g>
    </svg>
  );

  const kebabDropdownItems = (
    <>
      <DropdownItem>
        <CogIcon /> Settings
      </DropdownItem>
      <DropdownItem>
        <HelpIcon /> Help
      </DropdownItem>
    </>
  );

  const userDropdownItems = (
    <>
      <DropdownItem key="group 2 profile">My profile</DropdownItem>
      <DropdownItem key="group 2 user">User management</DropdownItem>
      <DropdownItem key="group 2 logout">Logout</DropdownItem>
    </>
  );

  const onDropdownToggle = () => {
    setIsDropdownOpen(!isDropdownOpen);
  };

  const onDropdownSelect = () => {
    setIsDropdownOpen(false);
  };

  const onKebabDropdownToggle = () => {
    setIsKebabDropdownOpen(!isKebabDropdownOpen);
  };

  const onKebabDropdownSelect = () => {
    setIsKebabDropdownOpen(false);
  };

  const onFullKebabToggle = () => {
    setIsFullKebabDropdownOpen(!isFullKebabDropdownOpen);
  };

  const onFullKebabSelect = () => {
    setIsFullKebabDropdownOpen(false);
  };

  return (
    <Masthead>
      <MastheadMain>
        <MastheadToggle>
          <PageToggleButton isHamburgerButton aria-label="Global navigation" />
        </MastheadToggle>
        <MastheadBrand>
          <MastheadLogo>{patternflyLogo}</MastheadLogo>
        </MastheadBrand>
      </MastheadMain>
      <MastheadContent>
        <Toolbar id="toolbar" isStatic>
          <ToolbarContent>
            <ToolbarGroup
              variant="action-group-plain"
              align={{ default: 'alignEnd' }}
              gap={{ default: 'gapNone', md: 'gapMd' }}
            >
              {notificationBadge ?? (
                <ToolbarItem>
                  <NotificationBadge
                    aria-label="Notifications"
                    variant={NotificationBadgeVariant.read}
                    onClick={() => {}}
                  />
                </ToolbarItem>
              )}
              <ToolbarGroup variant="action-group-plain" visibility={{ default: 'hidden', lg: 'visible' }}>
                <ToolbarItem>
                  <Button aria-label="Settings" isSettings variant="plain" />
                </ToolbarItem>
                <ToolbarItem>
                  <Button aria-label="Help" variant={ButtonVariant.plain} icon={<QuestionCircleIcon />} />
                </ToolbarItem>
              </ToolbarGroup>
              <ToolbarItem visibility={{ default: 'hidden', md: 'visible', lg: 'hidden' }}>
                <Dropdown
                  isOpen={isKebabDropdownOpen}
                  onSelect={onKebabDropdownSelect}
                  onOpenChange={setIsKebabDropdownOpen}
                  popperProps={{ position: 'right' }}
                  toggle={(toggleRef: React.RefObject<any>) => (
                    <MenuToggle
                      ref={toggleRef}
                      isExpanded={isKebabDropdownOpen}
                      onClick={onKebabDropdownToggle}
                      variant="plain"
                      aria-label="Settings and help"
                      icon={<EllipsisVIcon />}
                    />
                  )}
                >
                  <DropdownList>{kebabDropdownItems}</DropdownList>
                </Dropdown>
              </ToolbarItem>
              <ToolbarItem visibility={{ md: 'hidden' }}>
                <Dropdown
                  isOpen={isFullKebabDropdownOpen}
                  onSelect={onFullKebabSelect}
                  onOpenChange={setIsFullKebabDropdownOpen}
                  popperProps={{ position: 'right' }}
                  toggle={(toggleRef: React.RefObject<any>) => (
                    <MenuToggle
                      ref={toggleRef}
                      isExpanded={isFullKebabDropdownOpen}
                      onClick={onFullKebabToggle}
                      variant="plain"
                      aria-label="Toolbar menu"
                      icon={<EllipsisVIcon />}
                    />
                  )}
                >
                  <DropdownGroup key="group 2" aria-label="User actions">
                    <DropdownList>{userDropdownItems}</DropdownList>
                  </DropdownGroup>
                  <Divider />
                  <DropdownList>{kebabDropdownItems}</DropdownList>
                </Dropdown>
              </ToolbarItem>
            </ToolbarGroup>
            <ToolbarItem visibility={{ default: 'hidden', md: 'visible' }}>
              <Dropdown
                isOpen={isDropdownOpen}
                onSelect={onDropdownSelect}
                onOpenChange={setIsDropdownOpen}
                popperProps={{ position: 'right' }}
                toggle={(toggleRef: React.RefObject<any>) => (
                  <MenuToggle
                    ref={toggleRef}
                    isExpanded={isDropdownOpen}
                    onClick={onDropdownToggle}
                    icon={<Avatar src={imgAvatar} alt="" size="sm" />}
                  >
                    Ned Username
                  </MenuToggle>
                )}
              >
                <DropdownList>{userDropdownItems}</DropdownList>
              </Dropdown>
            </ToolbarItem>
          </ToolbarContent>
        </Toolbar>
      </MastheadContent>
    </Masthead>
  );
};
DashboardHeader.displayName = 'DashboardHeader';
